Chen Liang (陳亮) has found an interesting use case for the Espressif ESP32-C5: a dual-band Wi-Fi analyzer showing the signal strength of 2.4 GHz and 5 GHz ...

The CL-32 is a work-in-progress pocket-sized PC that combines modern hardware with classic design inspired by systems from the 1980s like the TRS-80 Pocket Computer. While some details haven’t been ...

These three 3D printing projects are far from the only prints I’ll do on my Arduino journey, I’m sure. I’m already looking for the next prints to do, and even working on making some of my own. But, ...

Update 3/9/25: After receiving concerns about the use of the term 'backdoor' to refer to these undocumented commands, we have updated our title and story. Our original story can be found here. The ...

A hot potato: The ESP32 chip, found in over a billion devices worldwide, contains undocumented vendor-specific commands that could potentially be misused to access device memory and manipulate ...

ESP32 chips expose crypto wallets and IoT devices to silent attacks. Weak security lets thieves steal private keys and fake transactions. Experts warn against using insecure chips in blockchain ...

The ESP32 Rainbow is a small computer with a built-in touch keyboard, an integrated display, and a design that’s inspired by the Sinclair ZX Spectrum, with a keyboard layout and rainbow stripe that ...

The ubiquitous ESP32 microchip made by Chinese manufacturer Espressif and used by over 1 billion units as of 2023 contains an undocumented "backdoor" that could be leveraged for attacks. The ...